Add 84/63 and 7/49
1st number: 1 21/63, 2nd number: 7/49
84/63 + 7/49 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
84/63 = 84 × 7/63 × 7 = 588/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
7/49 = 7 × 9/49 × 9 = 63/441 - Add the two like fractions:
588/441 + 63/441 = 588 + 63/441 = 651/441 - 651/441 simplified gives 31/21
- So, 84/63 + 7/49 = 31/21
In mixed form: 110/21
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